← Class 8 final maths test lesson New set →

Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 395 · 40 sums
TalentJR

The method (Read, plan, check): Find the type of question first: power, square or cube, equation, identity, area or interest? Use the method from that lesson, step by step. Check: square or cube your root back, put equation answers back in, and work interest year by year.

NameDateTime takenScore ___ / 40
  1. 1.The total surface area of a cube is 384 square cm. How long is each edge (in cm)?
  2. 2.What is the value of 3² × 3⁻²? =
  3. 3.Each edge of a cube is 5 cm. What is its total surface area (in square cm)?
  4. 4.Find the compound interest on ₹19500 at 12% per year for 1 year, compounded every year (in ₹).
  5. 5.Solve: 3(y − 1) = 2y + 9. What is y?
  6. 6.Use (a + b)² = a² + 2ab + b² to find 83².
  7. 7.What is the value of 5⁴ × 5⁻⁶? =
  8. 8.A cuboid is 13 cm long, 8 cm wide and 3 cm high. What is its total surface area (in square cm)?
  9. 9.Use a² − b² = (a + b)(a − b) to find 38² − 37².
  10. 10.What is the value of 5¹ × 5⁻⁵? =
  11. 11.What amount will ₹27500 grow to in 1 year at 25% per year compound interest (in ₹)?
  12. 12.Find the compound interest on ₹49500 at 20% per year for 3 years, compounded every year (in ₹).
  13. 13.Solve: x/3 + x/2 = 30. What is x?
  14. 14.The sum of four consecutive whole numbers is 170. What is the largest of them?
  15. 15.What is √1764? =
  16. 16.What is the difference between the compound interest and the simple interest on ₹57200 at 25% per year for 2 years (in ₹)?
  17. 17.What is the value of 2⁸? =
  18. 18.The diagonals of a rhombus are 24 cm and 10 cm. What is its area (in square cm)?
  19. 19.Which of these is a perfect cube? (a) 1068 (b) 1062 (c) 1000
  20. 20.Solve: 4(y − 5) = y + 4. What is y?
  21. 21.What is the value of 2²? =
  22. 22.What is the difference between the compound interest and the simple interest on ₹50000 at 12% per year for 2 years (in ₹)?
  23. 23.Solve: 5(y − 1) = y + 19. What is y?
  24. 24.What is ∛6859? =
  25. 25.Find the value of x² − 2xy + y² when x = 7 and y = 3.
  26. 26.What is the value of (1/3)⁻¹? =
  27. 27.Write 5 × 10⁻² as a decimal. =
  28. 28.A big cube of edge 4 cm is cut into small cubes of edge 1 cm. How many small cubes are there?
  29. 29.A father is 17 years older than his son. In 8 years, the father will be twice as old as his son. How old is the son now?
  30. 30.What is the difference between the compound interest and the simple interest on ₹21200 at 15% per year for 2 years (in ₹)?
  31. 31.Which of these is a perfect square? (a) 1369 (b) 1423 (c) 1410
  32. 32.What is the value of 8⁴? =
  33. 33.Solve: 3p + 12 = p + 22. What is p?
  34. 34.A square garden has an area of 25 square m. How long is each side (in m)?
  35. 35.Write 2⁷ × 2⁹ as a single power 2ⁿ. What is n?
  36. 36.A trapezium has parallel sides of 17 cm and 28 cm, and the distance between them is 2 cm. What is its area (in square cm)?
  37. 37.Write 9.1 × 10⁻² as a decimal. =
  38. 38.What amount will ₹12000 grow to in 2 years at 15% per year compound interest (in ₹)?
  39. 39.What is 7³? =
  40. 40.Find the value of x² + 2xy + y² when x = 9 and y = 5.

Answer key

  1. 8
  2. 1
  3. 150
  4. 2340
  5. 12
  6. 6889
  7. 1/25
  8. 334
  9. 75
  10. 1/625
  11. 34375
  12. 36036
  13. 36
  14. 44
  15. 42
  16. 3575
  17. 256
  18. 120
  19. 1000
  20. 8
  21. 4
  22. 720
  23. 6
  24. 19
  25. 16
  26. 3
  27. 0.05
  28. 64
  29. 9
  30. 477
  31. 1369
  32. 4096
  33. 5
  34. 5
  35. 16
  36. 45
  37. 0.091
  38. 15870
  39. 343
  40. 196

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets